Quote:
Originally posted by bandit
i've seen the white lights austin is talking about. they are kinda placed up where the vertical pole meets the horizontal pole.
i always wondered what those were for. damn sneaky cops 
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yes they are there so that cops and emergency vehicles can tell every light in the intersection's color without actually being in front of the main traffic light. they have to do a course on reading them. that's why sometimes a cop will run a red light but he knows where to look for oncoming vehicles so he can avoid them.